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12_7b8e67fb-bac3-4149-aaa3-91d9cb724400 - Northline Parts

28 Nut and Bolt Thread Checker 14 Metric And 14 Standard Specifications

Alligator_819_x_200_px - Northline Parts

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$64.99
Sale price  $64.99 Regular price 

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I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks

Edward H. — Verified customer

28 Nut and Bolt Thread Checker 14 Metric And 14 Standard Specifications

Quickly and accurately identify fasteners with this comprehensive thread checker. This high-quality aftermarket tool is essential for any workshop, allowing you to determine nut and bolt sizes without the guesswork. Designed for durability and ease of use, it covers the most common metric and standard sizes used in automotive and mechanical repairs.

Key Features & Benefits

  • Dual-sided design featuring 14 metric and 14 standard thread sizes
  • Sturdy construction built for professional and home garage environments
  • High-visibility markings for effortless size identification
  • Saves time and prevents cross-threading by ensuring the correct fit
  • Ideal for sorting mixed hardware or verifying parts for your project

Compatible Models

  • Universal application for identifying standard and metric fasteners

Product Specifications

  • Type: Aftermarket Thread Checker
  • Total Sizes: 28
  • Standard (Inch) Range: 6-32 to 1/2-20
  • Metric Range: M4x0.7 to M12x1.75

Frequently Asked Questions

Is this an OEM part?
No, this is a premium aftermarket tool designed to meet or exceed the utility of original equipment.

How do I confirm compatibility?
This tool is universally compatible for identifying any nut or bolt that matches the provided standard or metric size specifications.


Important: This is an aftermarket replacement part sold by Northline Parts. It is not made by the original equipment manufacturer unless specifically stated. Brand names, model names, and part numbers are used only to identify compatibility. Please compare your original part, photos, and fitment details before ordering.

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Service was professional and easy to work with. They kept me updated on my order and recommended a different part when the one I originally picked wasn’t going to work. Everything showed up as expected and the process was smooth overall.

- Customer, Chris D.

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